Insist Aoyama do not relax, rooted in the broken rock, known grinding million hit is also tough, Seoul, the four corners of the world wind.

咬定青山不放松，立根原在破岩中，知磨万击还坚韧，任尔东西南北风。——郑板桥。

youdao

"Ma Tan natural village, according to the 1987 version of" Songyang County, Zhejiang Province, "records:" on the altar with the grinding of rock and named.

麻坛自然村，据1987年版《浙江省松阳县地名志》记载：“以坛上有磨形岩石而得名。”

youdao

Insist Aoyama do not relax, rooted in the broken rock, known grinding 000-1000 tough, Seoul, East and West Wind. [Banqiao].

咬定青山不放松，植根于破碎的岩石，称磨000 - 1000艰难，汉城，东部和西部的风。【板】。

youdao

But even with blasting and machinery grinding through the rock day and night, most New Yorkers are blithely unaware of the construction or the eerie underworld that includes a massive, eight-story cavern, miles of tunnels and watery, gravel-filled pits.

NPR: New York Expanding Nation's Biggest Transit Hub